Polycarbonates having sulfur containing phenolic diols...

Details Polycarbonates having sulfur containing phenolic diols... Polycarbonates having sulfur containing phenolic diols...

C - Chemistry, Metallurgy

08

G

402/176, 260/616

C08G 75/20 (2006.01) C07C 317/22 (2006.01) C07C 323/65 (2006.01) C08G 64/10 (2006.01)

Patent

CA 1152532

ABSTRACT OF THE DISCLOSURE Polycarbonate resins are based upon the reaction of an aromatic diol and a carbonic acid derivative. A sulfur containing difunctional phenolic compound represented by the structural formula: Image wherein R1 is a lower alkyl having 1 to 4 carbon atoms and "n" equals 0 to 4 and X is S or SO2 either totally or partially substitutes for said aromatic diol. Polycarbonates prepared in accordance with the invention exhibit good heat distortion characteristics and long term aging properties.

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